and/or PMs when any of the following occur?:
when someone likes your content
when someone quotes you
when someone tags you
when someone follows you
when someone becomes your friend
when a new registration is pending approval
when a new member joins the forum
when a member requests to join a group you lead
when a member joins a group you lead
when you are added to a group
when you unlock an achievement
when involved in Badge related activities
when a bookmark is updated
when a thread you have participated in is updated*
when you receive a Personal Message
when there are reported posts